MMSZ5259C-HE3_A-18

Single Zener Diodes Overview

The MMSZ5259C-HE3_A-18 is a silicon planar Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It provides a nominal Zener voltage of 39 V with a tight tolerance of ±2%. The device is rated for a maximum power dissipation of 500 mW and operates within a temperature range of -55 °C to +150 °C. It features an AEC-Q101 qualification, ensuring reliability in automotive environments. The component utilizes the SOD-123 surface-mount package and includes an 'A' suffix indicating RoHS compliance and automotive grade status.

Single Zener Diodes Feature Summary

• Automotive-grade silicon planar Zener diode with AEC-Q101 qualification
• High precision voltage regulation with ±2% tolerance
• ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
• RoHS-compliant construction suitable for lead-free soldering

Single Zener Diodes Applications

• Voltage reference circuits in automotive electronics
• Overvoltage protection for sensitive signal lines
• Clamping applications in high-reliability industrial systems

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix against current manufacturer documentation to confirm availability and exact specifications. Confirm that the required tolerance and thermal characteristics align with the design constraints before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when precise voltage regulation is required in space-constrained designs utilizing the SOD-123 footprint. Ensure the application environment meets the specified operating temperature range and that the 500 mW power rating accommodates the expected load conditions without exceeding thermal limits.

Single Zener Diodes Part Context

This part belongs to the MMSZ5225 to MMSZ5267 series of small signal Zener diodes. The series offers a wide range of nominal voltages from 3.0 V to 75 V. The 'C' designation indicates the tighter ±2% tolerance band compared to the standard ±5% 'B' variant, providing enhanced accuracy for critical circuit applications.

Single Zener Diodes Replacement Considerations

MMSZ5259C-E3-18

Single Zener Diodes FAQ

What is the ESD protection rating for this component?

The device offers an ESD capability according to AEC-Q101 standards, supporting greater than 8 kV via the Human Body Model and greater than 800 V via the Machine Model.

How does the 'HE3_A' suffix affect the component's properties?

The 'HE3_A' suffix indicates that the device is RoHS-compliant and qualified for automotive applications under the AEC-Q101 standard.